If you think about it, No. 11 was really a math question (2012 minus 225 equals ...). It has been the most-missed question.

Nearly 40 percent of respondents thought the Constitution was written in 1776. That’s the year when the Declaration of Independence was adopted, on July 4 – Independence Day.

Almost a third of test-takers thought the right to petition the government for a redress of grievances was not part of the First Amendment; 25 percent believed the Bill of Rights comprised 21 amendments; and 18 percent said Theodore Roosevelt was president during World War I.